/Engine/Plugins/Developer/Concert/ConcertSync/ConcertSyncCore/Source/ConcertSyncCore/Public/IConcertFileSharingService.h
Copy the specified files in a uniquely named file stored in the service directory for sharing. The lifetime of the shared file is implementation specific.
True if the file was published successfully.
bool Publish ( const [FString](API\Runtime\Core\Containers\FString) & Pathname, [FString](API\Runtime\Core\Containers\FString) & OutFileId )